. >> today, nasa launches what it's claiming is its most advanced new at lite into space. the land sat data continuity mission launches today in california. nasa calls it the most advanced, capable spacecraft of its kind ever built helping to monitor environmental change and natural resources. it's about the size of an suv and will likely be in orbit for years. once in space the u.s. geological survey takes over the operations. tom kierein joins us now. talk about this not such nice weather, tom. >> some call it gloomy. >> a little bit. >> i call it dismal. i look on the bright side. look at this picture. it tells the story. low clouds with a little bit of fog. a little drizzle from the fog right there over the jefferson memorial. you can barely make it out. the fog will be lifting and things will be improving here into the afternoon. he said hopefully. now 42 at reagan national with wind out of the south. now mid 40s. prince georges county mid 40s. mid 40s in montgomery county. arlington and fairfax mid 40s. a little bit of sunshine breaking out to the west and to the sou